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声波定位仪
agric. soundlocator
geophys. acoustic locating device
tech. sonar; sound locator; sound navigation and ranging
声波水下定位仪声波导航和测距系统
gen. sound navigation and ranging
水下声波定位仪
met. sonar
声 波定位仪
: 8 phrases in 4 subjects
Drilling2
Earth sciences4
Navigation1
Technology1